purifier

例句：

1. 1. The water purifier filters out impurities to makeit safe for drinking.
   水净化器过滤掉杂质，使其安全饮用。
2. 2. The cleanerused a special agent to remove the stains from the carpet.
   清洁工使用了一种特殊的清洁剂来去除地毯上的污渍。
3. 3. The purifier is designed to remove harmful chemicals fromthe air.
   净化器设计用来从空气中去除有害化学物质。